Right before our eyes, we are seeing the classic "all-or-nothing" mentality, that commonly births fallacies and misguided perceptions about nutrition, claim its newest victim . . . saturated fat. Recent meta-analytic reviews have now suggested that saturated fat consumption has little to no relationship with risk of cardiovascular disease, coronary heart disease, or stroke, a clear 180 from what many traditionally thought about saturated fat. Does that mean saturated fat is now good for us? My...

This one drives me bananas. I have done the research, but am not 100% sure where this fallacy came from. Maybe someone saw a monkey with a big belly eating a banana, and made the connection? I once saw an overweight man eating a salad, and have not touched one since. In all seriousness, there is one theory as to why this fallacy may exist, and understanding it will help you with similar fallacies in other...